<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="http://localhost:8080/servlet02/paramterServlet" method="post">
    用户名:<input type="text" name="username" ><br>
    密码:<input type="password" name="password" ><br>
    爱好:<input type="checkbox" name="hobby" value="java">java
    <input type="checkbox" name="hobby" value="c++">c++
    <input type="checkbox" name="hobby" value="php">php
    <input type="submit">
</form>
</body>
</html>